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Subtract 15/18 from 12/8

1st number: 1 4/8, 2nd number: 15/18

12/8 - 15/18 is 2/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 8 × 9 = 72,
    12/8 = 12 × 9/8 × 9 = 108/72
  3. Likewise, for the 2nd fraction, since 18 × 4 = 72,
    15/18 = 15 × 4/18 × 4 = 60/72
  4. Subtract the two like fractions:
    108/72 - 60/72 = 108 - 60/72 = 48/72
  5. After reducing the fraction, the answer is 2/3

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